Israel Keyes confessed to killing three people before his suicide in December 2012. The FBI believes he committed multiple kidnappings and murders across the country between 2001 and March 2012. In an attempt to identify additional victims, the FBI is asking anyone with information regarding Keyes to call the tipline at 1-800-CALL-FBI.
By Katherine Cavazini
updated 4:34 PM EDT, Tue August 27, 2013
Watch “Nancy Grace Mysteries: Confessions of a Serial Killer,” a two-part special airing August 28 and 29 at 8 p.m. ET on HLN.